<nav class="navbar navbar-expand-lg navbar-light bg-light">
  <a class="navbar-brand" href="#">管理界面</a>
  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
    <span class="navbar-toggler-icon"></span>
  </button>

  <div class="collapse navbar-collapse" id="navbarSupportedContent">
    <ul class="navbar-nav mr-auto">
      <li class="nav-item active">
        <a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
      </li>
      <li class="nav-item">
        <a class="nav-link">test authorization</a>
      </li>
      <li class="nav-item dropdown">
        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
          Dropdown
        </a>
        <div class="dropdown-menu" aria-labelledby="navbarDropdown">
          <a class="dropdown-item" href="#">Action</a>
          <a class="dropdown-item" href="#">Another action</a>
          <div class="dropdown-divider"></div>
          <a class="dropdown-item" href="#">Something else here</a>
        </div>
      </li>
      <li class="nav-item">
        <a class="nav-link disabled" href="#">Disabled</a>
      </li>
    </ul>
  </div>
</nav>

<!--<nav class="navbar navbar-expand-lg navbar-light bg-light">-->
<!--  <a class="navbar-brand" href="#">管理界面</a>-->
<!--  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">-->
<!--    <span class="navbar-toggler-icon"></span>-->
<!--  </button>-->

<!--  <div class="collapse navbar-collapse" id="navbarSupportedContent">-->
<!--    <ul class="navbar-nav mr-auto">-->
<!--      <li class="nav-item active">-->
<!--        <a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>-->
<!--      </li>-->
<!--      <li class="nav-item">-->
<!--        <a class="nav-link" (click)="test()">test authorization</a>-->
<!--      </li>-->
<!--      <li class="nav-item dropdown">-->
<!--        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">-->
<!--          Dropdown-->
<!--        </a>-->
<!--        <div class="dropdown-menu" aria-labelledby="navbarDropdown">-->
<!--          <a class="dropdown-item" href="#">Action</a>-->
<!--          <a class="dropdown-item" href="#">Another action</a>-->
<!--          <div class="dropdown-divider"></div>-->
<!--          <a class="dropdown-item" href="#">Something else here</a>-->
<!--        </div>-->
<!--      </li>-->
<!--      <li class="nav-item">-->
<!--        <a class="nav-link disabled" href="#">Disabled</a>-->
<!--      </li>-->
<!--    </ul>-->
<!--  </div>-->
<!--</nav>-->
